Biological Characteristics and Antimicrobial Activity of Endophytic Streptomyces sp. TQR12-4 Isolated from Elite Citrus nobilis Cultivar Ham Yen of Vietnam
Table 1
Antimicrobial activity of the endophytic actinomycete isolate TQR12-4.
Test organisms
Zone of inhibition (, mm)
Agar block
Well diffusion
S. aureus ATCC 25922
26 ± 0,42
25 ± 1,00
B. subtilis ATCC 6633
25 ± 0,50
25 ± 0,42
P. aeruginosa ATCC 25932
0
0
G. candidum VSVD 1
28 ± 0,81
19 ± 0,35
F. oxysporum FO5
25 ± 0,50
17 ± 0,76
F. udum VSVD 4
26 ± 0,32
18 ± 0,58
C. truncatum VSVD 14
29 ± 0,81
20 ± 0,29
The results were recorded in 7-day culture on ISP medium #2.